Observation 14526: Hypomyces cervinigenus Rogerson & Simms

When: 2008-11-23

Collection location: Larch Mountain, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

This is either a Hypomyces (rare on Helvella lacunosa in my experience in this area) or Clitocybe sclerotoidea on Helvella lacunosa (common in my area, but seldom parasizing such a large specimen of Helvella).

Proposed Names

94% (3)
Eye3 Eyes3
Used references: Arora’s Mushrooms Demystified. This must be a Hypomyces instead of Clitocybe, because it is growing on a mature Helvella. Clitocybe sclerotoidea colonizes the Helvella while it is still underground, and the mycelium attaches itself to much of the duff at the base of the Helvella, creating a structure similar to a truffle, but often covered by needle duff. Arora notes that on mature Helvella lacunosa “is frequently disfigured by a white, moldy-looking parasite (Hypomyces cervinigenus).”

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-11-23 18:28:51 CST (-0500)
Last modified: 2008-11-23 18:28:51 CST (-0500)
Viewed: 54 times, last viewed: 2017-06-05 06:10:38 CDT (-0400)